Roof renovation of the GIOŚ and WIOŚ building in Poznań

Summary

The tender concerns renovation of the roof of the GIOŚ and WIOŚ building at Czarna Rola 4 in Poznań. The works include substrate preparation, installation of a waterproofing layer, treatment of chimneys, 24 ventilation pipes and approximately 185 linear metres of parapets, and construction of 46 sheet-metal chimney canopies. The contractor must complete the works within 60 calendar days, submit the tender electronically by 22 September 2026 at 09:30, provide a PLN 2,000 bid guarantee and a 5% performance security. The award criteria are price (60%) and warranty period (40%).